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Finding the Fourth Proportional to 135,999.60, 203,610.60 and 122,002.80

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Solution

The fourth proportional to 135,999.60, 203,610.60 and 122,002.80 is: 182,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,999.60 : 203,610.60 = 122,002.80 : x
  2. Step 2: Convert to fraction form
    135,999.60/203,610.60 = 122,002.80/x
  3. Step 3: Cross multiply
    135,999.60x = 203,610.60 × 122,002.80
  4. Step 4: Simplify right side
    135,999.60x = 24,841,063,309.68
  5. Step 5: Solve for x
    x = 24,841,063,309.68/135,999.60
  6. Step 6: Final answer
    x = 182,655.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.